The Wizard of Oz
Played by Thom from vinyl on RADIOHEAD's Webcast 2002-12-18 & was 5:43 in length. This was likely a different version than that of the one released on There there.
Played live, 2005-3-27 Ether Festival, London's Royal Festival Hall, sung by Thom Yorke & Lubna Salame with The London Sinfionetta & Jonny Greenwood. Source